Science

Wednesday, 20 May 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

Did you know?

Liver
A healthy liver is essential for the brain to function correctly.
It is thanks to the fact that the liver controls the levels of ammonia and regulates plasma glucose ...
Liver
Liver filters blood.
It breaks down toxic particles, such as drugs and alcohol. It also destroys old and damaged blood cells.
Brain
There are approximately 100 billion neurons in the human brain.
Most neurons are found in the cerebellum, ranging from 55 to 70 billion. The cerebral cortex, or what makes us intelligent beings, is made up of 14 to 16 billion neurons.
NASA
Since 2017, NASA, in collaboration with ESA, JAXA, and CSA, has been working on the Artemis program.
The program aims to reestablish a human presence on the Moon with the usage of the Space Launch Syst ...
Large Magellanic Cloud
It is located in the constellation of Dorado and Mensa.
Anorexia Nervosa
Anorexia is the most common among young people and teenagers.
It is most common in girls and young women, although recently the disorder has been increasingly obs ...
Aurora
In the language of the Sámi people (the native inhabitants of Lapland), the name of the aurora "guovssahasah" means "the sun shining in the sky in the morning or evening".
The Sámi people claimed that creating a song about the aurora borealis is dangerous and threatens to draw polar light on themselves, which bode inevitable death.
Graphene
In diamond, each of carbon’s four valence electrons is involved in the formation of such bonds.
As a result, diamond is a transparent, non-reactive insulator, and graphite is a black conductor, susceptible to chemical modifications.
NASA
In July 1975, NASA launched a joint mission with the Soviet Union, called the Apollo-Soyuz Test Project.
The mission was a symbol of détente during the Cold War. Moreover, it was the last crewed U.S. spaceflight in a space capsule until 2020.
Phobos
Phobos is one of the two natural satellites orbiting Mars.
It is bigger than its companion, Deimos.